✦ LIBER ✦

The resolution of DL-muscarine

✍ Scribed by C. A. Salemink; H. C. Cox

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 399 KB
Volume: 80
Category: Article
ISSN: 0165-0513
DOI: 10.1002/recl.19610800606

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The Debije‐Scherrer diagram of “natural” L(+)‐muscarine‐di‐p‐toluyl‐hydrogen‐D(−)‐tartrate‐hemihydrate is compared with the diagrams of muscarine‐di‐p‐toluyl‐hydrogen‐D(−)‐tartrates resulting from the resolution of two DL‐muscarine preparations. One of the latter diagrams proved to be identical with the diagram of “natural” L(+)‐muscarine‐di‐p‐toluyl‐hydrogen‐D(−)‐tartrate‐hemihydrate whereas the other was entirely different.

📜 SIMILAR VOLUMES

A simple, stereospecific synthesis of DL

A simple, stereospecific synthesis of DL-muscarine and DL-allomuscarine

✍ Takeshi Matsumoto; Akitami Ichihara; Noriki Itŏ 📂 Article 📅 1968 🏛 Elsevier Science 🌐 French ⚖ 151 KB

In the previous papers 1)2) concerning the synthesis of muscarines, we reported a partially stereospecific synthesis in which the hydroxyl group of a diacid (I) was introduced selectively in trans manner to the methyl group. Decarboxylation of I, however , proceeded non-stereoselectively giving a m

The resolution of DL-4-oxalysine

✍ G. I. Tesser; R. J. F. Nivard; M. Gruber 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 341 KB

Über Muscarin. 12. Mitteilung. Synthese

Über Muscarin. 12. Mitteilung. Synthese des DL-2-Methyl-muscarons, des DL-2-Methyl-muscarins und des DL-2-Methyl-epimuscarins

✍ H. Corrodi; K. Steiner; N. Halder; E. Hardegger 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 410 KB 👁 1 views

## Abstract Gemäss Formelschema wurde aus α‐Hydroxyisobuttersäure‐ester und Maleinsäure‐ester das 2,2‐Dimethyl‐5‐carbomethoxy‐tetrahydrofuran‐3‐on (IVa) hergestellt, welches nach vorübergehendem Schutz der Carbonylgruppe in DL‐2‐Methyl‐muscaron‐jodid (IX), bzw. nach Reduktion zum 2,2‐Dimethyl‐3‐hyd

The gas chromatographic resolution of dl

The gas chromatographic resolution of dl-isovaline

✍ Jose J. Flores; William A. Bonner; Mark A. Van Dort 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 204 KB

Isovaline (I) is of considerable interest cosmologically in that (1) it is one of the twelve non-protein amino acids which have been isolated from the Murchison meteorite\* and (2) unlike the other chiral amino acids in this meteorite, it has no ahydrogen at its asymmetric center and hence cannot ra

Resolution von DL-p-Bromphenylalanin

✍ R. Schwyzer; E. Surbeck-Wegmann 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 252 KB

## Abstract The resolution of DL‐p‐bromophenylalanine into the D‐ and L‐antipodes __via__ the ester salts with dibenzyol D‐ and L‐tartaric acids is described.

Radiochromatographic resolution of [14C]

Radiochromatographic resolution of [14C]DL-tryptophan, [14C]DL-phenylalanine and [35S]DL-methionine on a cellulose column

✍ M. Isoyama; T. Fukuhara; M. Tanaka; A. Shimada; S. Yuasa 📂 Article 📅 1989 🏛 Elsevier Science ⚖ 236 KB

[14C] DL-phenylalanine and [35S]DL-methionine were resolved using cellulose column chromatography. The assignment for the resolved enantiomers was carried out by means of co-chromatography with non-labeled oL-amino acids after modification with fluorodinitrobenzene. The optical purity of the enanti